CVE-2024-42446— TOCTOU in SmmWhea
Quick assessment
Affected
AMI AptioV
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
AMI APTIOV BIOS是美国AMI公司的一个基于UEFI规范的现代BIOS固件解决方案。 AMI APTIOV BIOS存在安全漏洞，该漏洞源于TOCTOU竞争条件，可能导致任意代码执行。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2024-42446
Vulnerability Information
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Vulnerability Title
TOCTOU in SmmWhea
Source: CVE Program / CVE List V5
Vulnerability Description
APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
AMI APTIOV BIOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMI APTIOV BIOS是美国AMI公司的一个基于UEFI规范的现代BIOS固件解决方案。 AMI APTIOV BIOS存在安全漏洞，该漏洞源于TOCTOU竞争条件，可能导致任意代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-42446
| # | POC Description | Source Link | Shenlong Link |
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V. Comments for CVE-2024-42446
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